From 745160ee10b76ed739f78f0116ab3d17b3f77309 Mon Sep 17 00:00:00 2001 From: Oren Givon Date: Mon, 16 Jun 2014 10:54:52 +0300 Subject: [PATCH] iwlwifi: add max RX aggregation size Allow to configure the maximal Rx AMPDU size per device. Signed-off-by: Oren Givon Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-8000.c | 4 ++++ drivers/net/wireless/iwlwifi/iwl-config.h | 2 ++ drivers/net/wireless/iwlwifi/mvm/ops.c | 3 +++ 3 files changed, 9 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index 51486cc..44b19e0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -85,6 +85,9 @@ #define NVM_HW_SECTION_NUM_FAMILY_8000 10 #define DEFAULT_NVM_FILE_FAMILY_8000 "iwl_nvm_8000.bin" +/* Max SDIO RX aggregation size of the ADDBA request/response */ +#define MAX_RX_AGG_SIZE_8260_SDIO 28 + static const struct iwl_base_params iwl8000_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_8000, .num_of_queues = IWLAGN_NUM_QUEUES, @@ -129,6 +132,7 @@ const struct iwl_cfg iwl8260_2ac_sdio_cfg = { .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, .default_nvm_file = DEFAULT_NVM_FILE_FAMILY_8000, + .max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO, }; MODULE_FIRMWARE(IWL8000_MODULE_FIRMWARE(IWL8000_UCODE_API_OK)); diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 034c2fc..8da596d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -240,6 +240,7 @@ struct iwl_pwr_tx_backoff { * @d0i3: device uses d0i3 instead of d3 * @nvm_hw_section_num: the ID of the HW NVM section * @pwr_tx_backoffs: translation table between power limits and backoffs + * @max_rx_agg_size: max RX aggregation size of the ADDBA request/response * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -276,6 +277,7 @@ struct iwl_cfg { const struct iwl_pwr_tx_backoff *pwr_tx_backoffs; bool no_power_up_nic_in_init; const char *default_nvm_file; + unsigned int max_rx_agg_size; }; /* diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 7d7b2fb..7f0e9af 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -391,6 +391,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (!hw) return NULL; + if (cfg->max_rx_agg_size) + hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; + op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops; -- 2.7.4